On the exo1 of chap2 (Standard MBean) we have the following code for the JNDIMap class

private void rebind() throws NamingException
{
 InitialContext rootCtx = new InitialContext();
 Name fullName = rootCtx.getNameParser("").parse(jndiName);
 System.out.println("fullName=" + fullName);
 NonSerializableFactory.rebind(fullName, contextMap, true);
}

private void unbind(String jndiName)
{
 try
 {
 InitialContext rootCtx = new InitialContext();
 rootCtx.unbind(jndiName);
 NonSerializableFactory.unbind(jndiName);
 }
 catch (NamingException e)
 {
 e.printStackTrace();
 }
}

if I try the following client code:

InitialContext context = new InitialContext();
HashMap map = (HashMap) context.lookup("inmemory/maps/MapTest");
System.err.println("map: " + map);

I get:

map: null

So I changed the JNDI class code to:

private void rebind() throws NamingException
{
 InitialContext rootCtx = new InitialContext();
 Name fullName = rootCtx.getNameParser("").parse(jndiName);
 System.out.println("fullName=" + fullName);
 rootCtx.bind(fullName, contextMap); // <== ADDED
 // NonSerializableFactory.rebind(fullName, contextMap, true); <== REMOVED
}

private void unbind(String jndiName)
{
 try
 {
 InitialContext rootCtx = new InitialContext();
 rootCtx.unbind(jndiName);
 // NonSerializableFactory.unbind(jndiName); <== REMOVED
 }
 catch (NamingException e)
 {
 e.printStackTrace();
 }
}

Now with the same client code it works fine, I get:

map: {key0=value0}

So the question is: What is the purpose of "NonSerializableFactory.rebind" ?

Oscar